Mfr: Artisan Power Series: - Package: Retail Package Product Status: Active Battery Chemistry: Nickel Metal Hydride Rechargeability: Yes Battery Cell Size: - Number of Cells: 6 Voltage - Rated: 7.2 V Capacity: 4.1Ah Size / Dimension: 5.43\ L x 1.42\ W x 1.30\ H (138.0mm x 36.0mm x 33.0mm)